245663345984 has 56 divisors (see below), whose sum is σ = 575101321728. Its totient is φ = 101888017920.

The previous prime is 245663345923. The next prime is 245663346001. The reversal of 245663345984 is 489543366542.

245663345984 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8830559 + ... + 8858334.

Almost surely, 2^245663345984 is an apocalyptic number.

It is an amenable number.

245663345984 is an abundant number, since it is smaller than the sum of its proper divisors (329437975744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245663345984 is a wasteful number, since it uses less digits than its factorization.

245663345984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17688943 (or 17688933 counting only the distinct ones).

The product of its digits is 74649600, while the sum is 59.

The spelling of 245663345984 in words is "two hundred forty-five billion, six hundred sixty-three million, three hundred forty-five thousand, nine hundred eighty-four".